208430432 has 48 divisors (see below), whose sum is σ = 472614912. Its totient is φ = 88632960.

The previous prime is 208430419. The next prime is 208430441. The reversal of 208430432 is 234034802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25793 + ... + 32895.

It is an arithmetic number, because the mean of its divisors is an integer number (9846144).

Almost surely, 2^208430432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236307456).

208430432 is an abundant number, since it is smaller than the sum of its proper divisors (264184480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208430432 is a wasteful number, since it uses less digits than its factorization.

208430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251 (or 7243 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 208430432 is about 14437.1199343913. The cubic root of 208430432 is about 592.9076350031.

The spelling of 208430432 in words is "two hundred eight million, four hundred thirty thousand, four hundred thirty-two".